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Finding the Fourth Proportional to 1,033.66, 1,550.17 and 349.50

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Solution

The fourth proportional to 1,033.66, 1,550.17 and 349.50 is: 524.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.66 : 1,550.17 = 349.50 : x
  2. Step 2: Convert to fraction form
    1,033.66/1,550.17 = 349.50/x
  3. Step 3: Cross multiply
    1,033.66x = 1,550.17 × 349.50
  4. Step 4: Simplify right side
    1,033.66x = 541,784.42
  5. Step 5: Solve for x
    x = 541,784.42/1,033.66
  6. Step 6: Final answer
    x = 524.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.